1. Inherent anisotropy in a sand;Arthur;Géotechnique,1972
2. Experimental examination of sand anisotropy;El-Sohby;Proc., 8th ICSMFE, Moscow,1973
3. Rectilinear extension of dry sand: testing apparatus and experimental results;Goldscheider;Proc., 8th ICSMFE, Moscow,1973
4. Strength of sand measured in an independent stress control cell;Green,1971
5. A new soil testing apparatus;Ko;Géotechnique,1967